If your bike has been stolen, it's important to report the theft to police - this helps the police better understand the scope of the problem and assign resources to those areas. If you haven't reported it stolen, we won't know to look for it and it will not be on the police database should police come across it.
If your stolen bike is listed for sale on an online marketplace, buyers won't be able to search for your serial number online and won't be aware the bike is stolen. It will also be necessary for an insurance claim or to collect your bike from any police agency that recovers it. If you have video of the theft, please advise this when making your report.
To report your bike stolen, you can follow the steps below: